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Multiply 81/21 with 36/9

1st number: 3 18/21, 2nd number: 4 0/9

This multiplication involving fractions can also be rephrased as "What is 81/21 of 4 0/9?"

81/21 × 36/9 is 108/7.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 81/21 × 36/9 = 81 × 36/21 × 9 = 2916/189
  3. After reducing the fraction, the answer is 108/7
  4. In mixed form: 153/7

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